Virtue (n.) is quite often mistaken for a loss of energy experienced by people after forty.
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Virtue (n.) is such that everything you say should be true, but not everything true should be said.
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Virtue (n.) debases itself in justifying itself.
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Virtue (n.) is everywhere the same, because it comes from God. while everything else is of men.
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Virtue (n.) for Voltaire was obedience to certain necessary prejudices for the preservation of society.